Engine off and vehicle stationary
Door open
With the vehicle stationary, the instrument panel is turned on when the door is opened and various vehicle-related information is displayed. The engaged gear is however not displayed.
The electric pump of the hydraulic unit is activated to pressurise the circuit and allow the system to be activated when starting is requested.
Measures before key-on
At key-off
(vehicle stationary with key-operated power off):
• if the lever is at P: the gear lever cannot be moved neither with the brake pedal released, nor with the brake pedal pressed, nor by pressing the lever lock button on the knob (nothing is displayed)
• if the lever is at R/N/D/TIP: the gear lever can be moved to position P (by pressing the button on the knob), after which the lever is mechanically locked in P (see previous case).
TCT stops communicating on CAN at the key-off (the vehicle is stationary).
The gear lever engages the parking lock and displays P position only if the lever is moved to P within 5 seconds from key-on Æ key-off
After 5 seconds, the parking lock can be engaged, but the indication will not appear on the display.
Alfa TCT keeps the gear prior to key-off engaged; at the following key-on the gear selected by the lever position is displayed.
Key on (+15)
The icon on the gearbox trim corresponding to the lever position lights up.
When the lever is faulty, all the icons are lit and blink. With the vehicle stationary and key on (keyoperated power on), the instrument panel must display the gear selected by the lever position.
Operating logics (Dynamic, Normal and All Weather) of this application are managed by the Body
Computer using a specific signal. All the logics can be set using the "lever", both in Automatic and
Manual conditions.
Shift lock
When the car is stationary, the lever can only be shifted from position P (corresponding to neutral) when the brake pedal and knob button are pressed.
Shifting the lever
All shifts must be performed exclusively with car stationary and engine idling.
The drive wheels are mechanically locked in position P. from
Æ
N is free. from Æ D is free. from Æ Tip is free.
Tip D is free. from Æ N is free.
• The lever button must be pressed to shift from N to R. from Æ P is possible with the gear lever button pressed.
- 69 - Alfa TCT